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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 24 |
| 4 | 1096 |
| 5 | 149632 |
| 6 | 62966568 |
| 7 | 85329761952 |
| 8 | 386069877057040 |
| 9 | 6001439689098721408 |
| 10 | 327962184329946415530336 |
| 11 | 64150844215771337825753078272 |
| 12 | 45547009330254120256598494596400320 |
| 13 | 118653960132660605481807477808249363616768 |
| 14 | 1143717244821821894255831791273094878164139953920 |
| 15 | 41063965948289078797110473909472925848872401288025550336 |
[1,2,2,24,1096,149632,62966568,85329761952, 386069877057040,6001439689098721408, 327962184329946415530336, 64150844215771337825753078272, 45547009330254120256598494596400320, 118653960132660605481807477808249363616768, 1143717244821821894255831791273094878164139953920, 41063965948289078797110473909472925848872401288025\ 550336] |